Home / 870,681.96-1,201,387.14-531,259.56

Finding the Fourth Proportional to 870,681.96, 1,201,387.14 and 531,259.56

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Solution

The fourth proportional to 870,681.96, 1,201,387.14 and 531,259.56 is: 733,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,681.96 : 1,201,387.14 = 531,259.56 : x
  2. Step 2: Convert to fraction form
    870,681.96/1,201,387.14 = 531,259.56/x
  3. Step 3: Cross multiply
    870,681.96x = 1,201,387.14 × 531,259.56
  4. Step 4: Simplify right side
    870,681.96x = 638,248,403,386.06
  5. Step 5: Solve for x
    x = 638,248,403,386.06/870,681.96
  6. Step 6: Final answer
    x = 733,044.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.